EP3115681A1 - Leuchtmodul für kfz-scheinwerfer - Google Patents

Leuchtmodul für kfz-scheinwerfer Download PDF

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Publication number
EP3115681A1
EP3115681A1 EP16178398.0A EP16178398A EP3115681A1 EP 3115681 A1 EP3115681 A1 EP 3115681A1 EP 16178398 A EP16178398 A EP 16178398A EP 3115681 A1 EP3115681 A1 EP 3115681A1
Authority
EP
European Patent Office
Prior art keywords
light module
support
adjustment piece
indexing
module according
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP16178398.0A
Other languages
English (en)
French (fr)
Inventor
David Bourdin
Eric Stefura
Paul Jacquemin
Marie Pellarin
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Valeo Vision SAS
Original Assignee
Valeo Vision SAS
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Valeo Vision SAS filed Critical Valeo Vision SAS
Publication of EP3115681A1 publication Critical patent/EP3115681A1/de
Withdrawn legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/30—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors
    • F21S41/39—Attachment thereof
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V14/00—Controlling the distribution of the light emitted by adjustment of elements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2107/00—Use or application of lighting devices on or in particular types of vehicles
    • F21W2107/10—Use or application of lighting devices on or in particular types of vehicles for land vehicles

Definitions

  • the present invention relates to the illumination of a motor vehicle, and more particularly relates to a light module adapted to be used in a motor vehicle headlamp that circulates both in a traffic on the right than in a traffic on the left.
  • Motor vehicle headlamps can generally be used in two lighting modes: a first mode “high beam” and a second mode “low beam”.
  • the "high beam” mode provides strong illumination of the road ahead of the vehicle, while the “low beam” mode provides more limited illumination of the road, but still offers good visibility without dazzling other road users. the road.
  • the modules present in the projectors are arranged so that the emitted light beams have a cutting in its upper part to avoid being too disadvantageous for driving oncoming vehicles. It is understood that the beam to be obtained in the case of a traffic on the right of the road has a cut-off on the left of the beam, while symmetrically the beam to be obtained in the case of a traffic on the left of the present road. symmetrically a cut on the right of the beam.
  • a light module for the emission of such a beam comprises, in known manner, at least one light source, capable of emitting light rays in the direction of a collector which deflects its rays towards an optical device for projecting the beam positioned at the output of the module.
  • a cover is arranged on the path of the spokes between the collector and optical device to allow, in particular by the presence of a reflective face and an inclined shape substantially in its center, obtaining a lighting type "high beam "With the proper cutting of the beam in its upper part.
  • the beam is cut on one side or the other adapted to the direction of circulation of the vehicle.
  • the applicant plans to mount in the light module a non-symmetrical collector, so as to direct maximum light on the right side of the road. Therefore, the same collector can not be associated with the two types of caches described above without one of the collector-cache associations resulting in degraded operation.
  • a simple solution would be to provide a vehicle specific collector for left-hand traffic and a vehicle-specific collector for right-hand traffic. However, it is understood that this solution has a cost that the car manufacturers are not ready to integrate into the purchase cost of the projector.
  • the invention proposes a light module for lighting and / or signaling of a motor vehicle, comprising at least one optical ray deflection means and a support, in particular a source for emitting said rays, on which the Optical ray deflection means is locked in an active position by devices for fixing a plate of the means for optically deflecting the spokes against the support.
  • at least one of said fixing devices comprises means for adjusting the position of the optical deflection means of the spokes relative to the support so that the means for optically deflecting the spokes can take several distinct defined active positions.
  • active positions are fixed during assembly of the module, the adjustment piece for mounting the module with the optical deflection means of the spokes in a first position for lighting a vehicle in traffic on the left or in a second position for lighting a vehicle in traffic on the right.
  • active position is meant a precise, fixed position of the means of optical deviation of the rays from the light source which allows the deviation of the light rays in the desired direction for the creation of an optimal beam for the right-hand traffic or left.
  • the operator carrying out the mounting of the module may have the adjustment piece in several positions to substantially move the position of the optical deflection means of the spokes relative to the module support and therefore the light source, the optical deflection means can take these active positions before its blocking during assembly.
  • the collector may in particular be substantially elliptical with two foci and made integral with the support plate to be in a specific position with respect to a source of light ray emission, ie a position in which the source is positioned at first focus of the collector.
  • the module comprises a fixed fixing device and an adjustable fixing device comprising said adjustment means, which can be in particular means for angular adjustment of its position relative to the support. It is understood that the fixing devices are respectively fixed and adjustable vis-à-vis the support.
  • the fixed fixing device may comprise a first fixing means connected to the plate and a first complementary fixing means connected to the support and arranged to cooperate with said first fixing means so as to define a pivot axis of the deflection means.
  • this first fastening means may comprise a peg integrally formed with the means of optical ray deflection, pierced with a bore
  • the first complementary fastening means may comprise a bore made in the support, axially aligned with the bore of the pin and tapped to receive first screwing means, the axis of these first screw means forming the pivot axis of the deflection means.
  • the adjustment piece may furthermore comprise an indexing element complementary to multiple indexing means carried by the means for optically deflecting the spokes so that the adjustment piece can take as many distinct definite positions as there are means of adjustment. indexing carried by the means of optical ray deflection, each defined position distinct from the indexing piece corresponding to one of the defined active positions of the optical deflection means of the spokes relative to the support.
  • the optical ray deflection means comprises two indexing means so that the adjustment piece can take two distinct positions, the adjustment piece taking a first position. when the indexing element cooperates with the first indexing means and in a second position when the indexing element cooperates with the second indexing means.
  • a first indexing means is arranged on the main axis of the notch, at a determined distance from the edge of the notch, and a second indexing means is arranged transversely to the main axis of the notch.
  • the indexing element of the adjustment piece consists of a lug arranged projecting at the free end of a lug radially extending the adjustment piece and adapted to be housed in one of the indexing means. It is understood that in this case, the indexing means consist of holes formed on the plate.
  • the tab may extend radially in the plane of a base formed by a flange at the end of the adjustment piece, the lug projecting from the free end of the tab in a direction parallel to the direction of the adjustment piece.
  • the indexing means have shapes that are distinct from each other, to perform a keying function.
  • one of the indexing means may have an oblong shape and the other indexing means may have a circular shape.
  • the indexing means of oblong shape is arranged so that the long side of the indexing means is oriented parallel to the small dimension of the oblong housing.
  • the adjustment piece is sandwiched between the support and a lower face of the optical ray deflection means.
  • the lower face of the plate of the optical ray deflection means may comprise a fingerprint adapted to house the adjustment piece.
  • the module may comprise a light source capable of emitting light rays directly or indirectly to the optical ray deflection means, said optical ray deflection means being able to assume two defined active positions: one of these active positions, the optical ray deflection means is arranged so that the light rays emitted by the light source perform a photometric function of crossing light type for traffic on the left; and in the other of these active positions, the optical ray deflection means is arranged in such a way that the light rays emitted by the light source perform a photometric function of the crossing illumination type for right-hand traffic.
  • the invention also relates to a method for obtaining a light module in which the optical ray deflection means and the adjustment piece are produced in one piece, and in which the adjustment piece is detached from the light source. optical deflection of the rays, by rupture of a frangible zone, for its implementation in a defined position between the optical deflection means of the spokes and the support.
  • a light module 1 comprises a support plate 2 on which are particularly reported a light source (not visible in the figures) which is bonded to an upper face 4 of the plate, an optical ray deflection means, here a substantially elliptical collector 6 with two foci and secured to the support plate to be in a predetermined position with respect to the source, ie a position in which the source is positioned at the first focus of the collector, and a cover 8 fixed on the support plate so that the free end edge of the cover is disposed at the second focus of the collector.
  • a light source not visible in the figures
  • an optical ray deflection means here a substantially elliptical collector 6 with two foci and secured to the support plate to be in a predetermined position with respect to the source, ie a position in which the source is positioned at the first focus of the collector
  • a cover 8 fixed on the support plate so that the free end edge of the cover is disposed at the second focus of the collector.
  • the light module 1 further comprises thermal cooling means 10 carried by the support plate and arranged upstream of the collector with reference to the direction of propagation of the light rays at the output of the module.
  • the module comprises two means for fixing the collector on the support plate, among which a first fixed fixing means 12 and a second adjustable fixing means 14.
  • the collector 6 comprises a plate 16 substantially flat and capable of being pressed against the upper face support plate, and optical deflection means 18 of the rays emitted by the light source, which has the substantially elliptical shape mentioned above.
  • the optical deflection means consist of a reflective surface of the type of surface of revolution of an elliptical section about an axis of symmetry, that is to say having two distinct foci.
  • the optical deflection means comprise a plurality of reflecting concave surfaces.
  • the axes of revolution of the surfaces of the collector are in intersection so that the beams reflected by these surfaces converge.
  • a light-emitting diode-type light source is located approximately at the first focal point of each surface forming the collector, the surfaces being oriented so that the second focal points correspond to the point of intersection of the two axes.
  • the first fixed attachment means 12 consists of a pin 20 integral with the plate 16 of the collector and pierced at its center with a bore which is positioned opposite a threaded bore made in the support plate.
  • First screwing means 22 are provided for cooperating with the threaded bore by first passing through the pin to come to press during the screwing plate of the collector against the support plate.
  • the pin and the tapped bore both extend along a pivot axis, preferably perpendicular to the optical ray emission axis.
  • this first fixing means 12 is arranged substantially in the center of the module in the transverse direction, ie substantially centered on the optical axis, and upstream of the collector 6, between this ci and the thermal cooling means 10.
  • the second fixing means 14 comprises an adjustment piece 24 that is positioned between the support plate 2 and the collector 6, in different positions, here two, depending on the position that is desired to give the collector.
  • the adjustment piece comprises a central portion 26 of substantially circular general shape, and a tab 28 which extends radially projecting from the central portion and which carries at its free end an indexing pin 30 extending substantially perpendicularly this tab.
  • This indexing element makes it possible to stop the position of the adjustment part with respect to the collector, by cooperation with means of reception of this indexing element formed in the collector 6.
  • the light module according to the invention is arbitrarily defined (as visible in FIG. figure 7 ) a primary axis 31 which passes through the center of the central portion and the lug, and a secondary axis 32 substantially perpendicular to the primary axis and cutting it in the center of the central portion.
  • the central portion 26 has a shank 33 (in particular visible on the figure 8 ) and a base 34 formed by a flange which extends perpendicularly a barrel end.
  • the base extends in the same plane as the lug bearing the lug, and the barrel extends projecting from the base, in a direction parallel to the direction of the lug.
  • the base has, substantially opposite the tab carrying the indexing pin, a flat portion 36.
  • the barrel 33 has a wall 38 defined by its external surface 40, whose section has a substantially circular profile, and by its inner surface 42 formed by the presence of an inner bore, of circular section and extending around a first axis A1, distinct from a second axis A2 around which extends the outer profile of the drum wall.
  • the offset of the first axis is made axially in the direction of the indexing pin, here in the direction of the approximation of 0.7 cm.
  • the bore inside the barrel is aligned with a bore threaded made in the support plate, so as to be traversed by second screwing means 44.
  • the thickness of the wall of the drum is not constant all around the drum, because of the presence of the eccentricity of the axes of the inner surface and the outer surface of the drum wall.
  • the internal bore is centered on the primary axis of the adjustment piece passing through the indexing lug, and shifted closer to or away from the lug (relative to the figures) relative to the external surface of the lug. Wall.
  • the wall has, according to the primary axis of the part, passing through the lug and the center of the internal bore, two parts of different thicknesses, among which a part of small thickness here close to the pin and a part of greater thickness here opposite the lug, while it has along the secondary axis of the part, perpendicular to the primary axis and passing through the center of the inner bore, constant thicknesses and symmetrical on both sides of this inner bore.
  • the adjustment piece 24 is positioned between the support plate 2 and the collector 6, in two different positions.
  • the second adjustable fixing means 14 comprises, in addition to the intermediate piece, a receiving notch 46 of the barrel of the intermediate piece and the slots 48, 49 forming the indexing means complementary to the pin 30 mentioned above.
  • the notch is a housing formed transversely in the manifold and having an oblong shape defined by a length oriented transversely in the module and by a longitudinally oriented width in the module according to the orientation of the trihedron chosen arbitrarily.
  • the notch extends from an edge 50 of the collector plate to the optical deflection means.
  • the housing could be, without departing from the context of the invention, formed by a light and not a notch, that is to say that it could not be opening on an edge of the platinum. It should be against that the housing has an oblong shape allowing relative movement of the shaft along the housing.
  • the lights 48, 49 are made in the thickness of the support plate of the collector, of dimensions adapted to receive the indexing pin 30. As illustrated, the lights can open on both sides of the plate However, it should be noted that these lights could consist of blind holes made from the lower face 52 of the collector plate.
  • the two indexing means lights carried by the collector are positioned relative to each other so that a first lumen 48 is disposed on the main axis of the notch, at a determined distance from the edge. of the notch, and that a second lumen 49 is disposed transversely to the main axis of the notch.
  • an impression 54 is made in the lower face 48 of the support plate to allow the adjustment piece 24 to be accommodated in the thickness of the support plate when this part is sandwiched between the plate of the support 2 and the collector 6.
  • the impression 54 extends around the notch, so as to form a housing for the base 34 of the central part of the adjustment piece, and it has two radial extensions 56 to surround each of the lights 48 forming a means indexing, so as to form housing for the carrier leg of the indexing pin, as it is inserted in one or the other of the lights. It is understood that the depth of this impression is constant and substantially equal to the thickness of the base and the tab of the adjustment piece.
  • the figure 8 illustrates a method of manufacturing the collector and the adjustment piece as just described.
  • the adjustment piece is integral with the manifold during the injection operation, a connecting tab 58 holding the two elements together.
  • the adjustment piece is made so that the indexing pin is oriented opposite the connecting tab of the workpiece with the collector.
  • the operator detaches the adjustment piece by breaking the connecting lug, which forms the flat portion 36 of the adjustment piece as described above.
  • the operator places the adjustment piece 24 in the cavity 54 of the manifold, housing on the one hand the barrel 33 in the notch 46 of the manifold and the indexing pin 30 in a first fixing lumen 48 or in a second fixing light 49.
  • the operator places the adjustment piece in the cavity of the collector, housing on the one hand the barrel in the notch of the collector and the indexing pin in a first of the fixing lights.
  • the first light is arbitrarily defined here as that which is arranged in alignment with the notch.
  • the primary axis of the adjustment piece is included in the plane of symmetry of the notch.
  • the part of greater thickness does not bear against the parallel walls delimiting transversely the notch and it is centered longitudinally on the threaded bore of the support and the barrel of the adjustment part, since parts of the same thickness of the barrel wall are arranged on both sides of the threaded bore.
  • the plane of symmetry of the notch, passing through the first fixing hole, also passes through the center of the threaded bore.
  • This collector position is defined as the standard collector position in the module.
  • the operator places the adjustment piece between the manifold and the support plate differently from what has been previously described.
  • the barrel is again arranged in the notch, but the indexing pin is housed in the second light. This time, it is the secondary axis that is included in the plane of symmetry of the notch.
  • the eccentricity plays on the relative position of the collector with respect to the support plate, since the parts of distinct thicknesses of the wall along the primary axis are arranged in the width of the notch, bearing on the walls transversely delimiting the notch.
  • the plane of symmetry of the notch is thus offset with respect to the axis of the second screwing means 44.
  • One of the two fixing lights has an oblong shape and it is understood that this allows a set of positioning of the adjustment piece in the footprint, with the lug in a light and the barrel in the notch.
  • the eccentricity as just described causes a transverse displacement of the collector, which coupled to the fixed position of the first screwing means associated with the first fixed fixing point 12, generates an angular displacement of the collector around the axis , authorized by the operating clearances provided by the oblong shapes of at least one notch and a light.
  • the dimensioning of the eccentric thus makes it possible to apply the angular offset of angle ⁇ (visible on the figure 2 ) of the desired collector, and the presence of the lug makes it possible to lock each of the positions of the collector.
  • the axial offset formed by the eccentricity is here dimensioned (0.7 cm between the axis of the threaded bore and the axis of the external profile of the drum wall) for the realization of an angular correction of 1 ° of the position of the collector with respect to the support, which can allow integration into existing modules without modification of the structure.
  • the collector can move, here rotate, to emit rays output particularly suited to the associated cache specific to this or that type of traffic.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)
EP16178398.0A 2015-07-10 2016-07-07 Leuchtmodul für kfz-scheinwerfer Withdrawn EP3115681A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1556633A FR3038693B1 (fr) 2015-07-10 2015-07-10 Module lumineux pour projecteur de vehicule automobile

Publications (1)

Publication Number Publication Date
EP3115681A1 true EP3115681A1 (de) 2017-01-11

Family

ID=54199860

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16178398.0A Withdrawn EP3115681A1 (de) 2015-07-10 2016-07-07 Leuchtmodul für kfz-scheinwerfer

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EP (1) EP3115681A1 (de)
CN (1) CN106338045A (de)
FR (1) FR3038693B1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3062460B1 (fr) * 2017-02-01 2020-11-13 Valeo Vision Module lumineux pour projecteur de vehicule
DE102021117539B4 (de) * 2021-07-07 2023-11-09 Ams OSRAM Automotive Lighting Systems GmbH Optische vorrichtung und fahrzeug

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE874283C (de) * 1942-02-10 1953-04-23 Westfaelische Metall Ind G M B Einstellvorrichtung fuer den Hohlspiegel von Scheinwerfern, insbesondere Einbauscheinwerfern fuer Fahrzeuge
DE3004446A1 (de) * 1980-02-07 1981-08-13 Westfaelische Metall Industrie Fahrzeugscheinwerfer
DE4306316A1 (en) * 1992-02-28 1993-09-23 Koito Mfg Co Ltd Reflector positioner e.g. for varying vehicle headlamp light distribution - involves servomotor in controlled movement of reflector guided by pins engaging in grooves of fixed plate
US20130077335A1 (en) * 2011-09-27 2013-03-28 Mike Murley Modular Headlamp Assembly
DE102012111639A1 (de) * 2012-11-30 2014-06-05 Hella Kgaa Hueck & Co. Zusatzlichtmodul für einen Scheinwerfer eines Fahrzeugs
WO2014138763A1 (de) * 2013-03-13 2014-09-18 Zizala Lichtsysteme Gmbh Lichtmodul für einen fahrzeugscheinwerfer

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4405279B2 (ja) * 2004-02-17 2010-01-27 市光工業株式会社 プロジェクタ型車両用灯具

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE874283C (de) * 1942-02-10 1953-04-23 Westfaelische Metall Ind G M B Einstellvorrichtung fuer den Hohlspiegel von Scheinwerfern, insbesondere Einbauscheinwerfern fuer Fahrzeuge
DE3004446A1 (de) * 1980-02-07 1981-08-13 Westfaelische Metall Industrie Fahrzeugscheinwerfer
DE4306316A1 (en) * 1992-02-28 1993-09-23 Koito Mfg Co Ltd Reflector positioner e.g. for varying vehicle headlamp light distribution - involves servomotor in controlled movement of reflector guided by pins engaging in grooves of fixed plate
US20130077335A1 (en) * 2011-09-27 2013-03-28 Mike Murley Modular Headlamp Assembly
DE102012111639A1 (de) * 2012-11-30 2014-06-05 Hella Kgaa Hueck & Co. Zusatzlichtmodul für einen Scheinwerfer eines Fahrzeugs
WO2014138763A1 (de) * 2013-03-13 2014-09-18 Zizala Lichtsysteme Gmbh Lichtmodul für einen fahrzeugscheinwerfer

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Publication number Publication date
FR3038693B1 (fr) 2019-04-05
CN106338045A (zh) 2017-01-18
FR3038693A1 (fr) 2017-01-13

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